// /*
//   Web client

//  This sketch connects to a website (http://www.google.com)
//  using an Arduino Wiznet Ethernet shield.

//  Circuit:
//  * Ethernet shield attached to pins 10, 11, 12, 13

//  created 18 Dec 2009
//  by David A. Mellis
//  modified 9 Apr 2012
//  by Tom Igoe, based on work by Adrian McEwen

//  */

// #include <SPI.h>
// #include <Ethernet.h>

// // Enter a MAC address for your controller below.
// // Newer Ethernet shields have a MAC address printed on a sticker on the shield
// byte mac[] = { 0xDE, 0xAD, 0xBE, 0xEF, 0xFE, 0xED };

// // if you don't want to use DNS (and reduce your sketch size)
// // use the numeric IP instead of the name for the server:
// //IPAddress server(74,125,232,128);  // numeric IP for Google (no DNS)
// char server[] = "www.google.com";    // name address for Google (using DNS)

// // Set the static IP address to use if the DHCP fails to assign
// IPAddress ip(192, 168, 0, 177);
// IPAddress myDns(192, 168, 0, 1);

// // Initialize the Ethernet client library
// // with the IP address and port of the server
// // that you want to connect to (port 80 is default for HTTP):
// EthernetClient client;

// // Variables to measure the speed
// unsigned long beginMicros, endMicros;
// unsigned long byteCount = 0;
// bool printWebData = true;  // set to false for better speed measurement

// void setup() {
//   // You can use Ethernet.init(pin) to configure the CS pin
//   //Ethernet.init(10);  // Most Arduino shields
//   //Ethernet.init(5);   // MKR ETH shield
//   //Ethernet.init(0);   // Teensy 2.0
//   //Ethernet.init(20);  // Teensy++ 2.0
//   //Ethernet.init(15);  // ESP8266 with Adafruit Featherwing Ethernet
//   //Ethernet.init(33);  // ESP32 with Adafruit Featherwing Ethernet

//   // Open serial communications and wait for port to open:
//   Serial.begin(9600);
//   while (!Serial) {
//     ; // wait for serial port to connect. Needed for native USB port only
//   }

//   // start the Ethernet connection:
//   Serial.println("Initialize Ethernet with DHCP:");
//   if (Ethernet.begin(mac) == 0) {
//     Serial.println("Failed to configure Ethernet using DHCP");
//     // Check for Ethernet hardware present
//     if (Ethernet.hardwareStatus() == EthernetNoHardware) {
//       Serial.println("Ethernet shield was not found.  Sorry, can't run without hardware. :(");
//       while (true) {
//         delay(1); // do nothing, no point running without Ethernet hardware
//       }
//     }
//     if (Ethernet.linkStatus() == LinkOFF) {
//       Serial.println("Ethernet cable is not connected.");
//     }
//     // try to congifure using IP address instead of DHCP:
//     Ethernet.begin(mac, ip, myDns);
//   } else {
//     Serial.print("  DHCP assigned IP ");
//     Serial.println(Ethernet.localIP());
//   }
//   // give the Ethernet shield a second to initialize:
//   delay(1000);
//   Serial.print("connecting to ");
//   Serial.print(server);
//   Serial.println("...");

//   // if you get a connection, report back via serial:
//   if (client.connect(server, 80)) {
//     Serial.print("connected to ");
//     Serial.println(client.remoteIP());
//     // Make a HTTP request:
//     client.println("GET /search?q=arduino HTTP/1.1");
//     client.println("Host: www.google.com");
//     client.println("Connection: close");
//     client.println();
//   } else {
//     // if you didn't get a connection to the server:
//     Serial.println("connection failed");
//   }
//   beginMicros = micros();
// }

// void loop() {
//   // if there are incoming bytes available
//   // from the server, read them and print them:
//   int len = client.available();
//   if (len > 0) {
//     byte buffer[80];
//     if (len > 80) len = 80;
//     client.read(buffer, len);
//     if (printWebData) {
//       Serial.write(buffer, len); // show in the serial monitor (slows some boards)
//     }
//     byteCount = byteCount + len;
//   }

//   // if the server's disconnected, stop the client:
//   if (!client.connected()) {
//     endMicros = micros();
//     Serial.println();
//     Serial.println("disconnecting.");
//     client.stop();
//     Serial.print("Received ");
//     Serial.print(byteCount);
//     Serial.print(" bytes in ");
//     float seconds = (float)(endMicros - beginMicros) / 1000000.0;
//     Serial.print(seconds, 4);
//     float rate = (float)byteCount / seconds / 1000.0;
//     Serial.print(", rate = ");
//     Serial.print(rate);
//     Serial.print(" kbytes/second");
//     Serial.println();

//     // do nothing forevermore:
//     while (true) {
//       delay(1);
//     }
//   }
// } 